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Contents
module Kernel
# Parse a caller string and break it into its components,
# returning an array. Returns:
# * file (String)
# * lineno (Integer)
# * method (Symbol)
#
# For example, from irb,
#
# call_stack(1)
#
# _produces_
#
# [["(irb)", 2, :irb_binding],
# ["/usr/lib/ruby/1.8/irb/workspace.rb", 52, :irb_binding],
# ["/usr/lib/ruby/1.8/irb/workspace.rb", 52, nil]]
#
# Note: If the user decides to redefine caller() to output data
# in a different format, _prior_ to requiring this, then the
# results will be indeterminate.
alias_method :pp_call_stack, :caller
def call_stack( level = 1 )
call_str_array = pp_call_stack(level)
stack = []
call_str_array.each{ |call_str|
file, lineno, method = call_str.split(':')
if method =~ /in `(.*)'/ then
method = $1.intern()
end
stack << [file, lineno.to_i, method]
}
stack
end
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TCKernel < Test::Unit::TestCase
def test_call_stack
assert_nothing_raised{ call_stack }
end
end
=end
Version data entries
26 entries across 26 versions & 1 rubygems